One of his most famous studies was on the cognitive and social processes of remembering. He retrieved a series of short fables (the best known was the Native American fable called The War of the Ghosts[5]), each of which comprised a sequence of events which were ostensibly logical but subtly illogical, and there were several discreet non-sequiturs. He would recite this story to subjects, then later (sometimes much later) ask them to recall as much of it as possible. He discovered that most people found it extremely difficult to recall the story exactly, even after repeated readings, and hypothesised that, where the elements of the story failed to fit into the schemata of the listener, these elements were omitted from the recollection, or transformed into more familiar forms.[6]